AIPMT PRELIMS2010Chemistry-Oxidation States
AIPMT PRELIMS 2010 Chemistry Phosphorus Compounds MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Oxidation states of phosphorus in H₄P₂O₅, H₄P₂O₆ and H₄P₂O₇ are respectively
A
+3, +4, +5
B
+3, +5, +4
C
+5, +3, +4
D
+5, +4, +3
Correct Answer
Option A
Detailed Explanation
In H₄P₂O₅, the oxidation state of P is +3. In H₄P₂O₆, it is +4, and in H₄P₂O₇, it is +5. This is determined by balancing the oxidation states of all atoms in each compound.
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